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Finding the Fourth Proportional to 29,114.78, 40,182.78 and 17,790.85

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Solution

The fourth proportional to 29,114.78, 40,182.78 and 17,790.85 is: 24,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,114.78 : 40,182.78 = 17,790.85 : x
  2. Step 2: Convert to fraction form
    29,114.78/40,182.78 = 17,790.85/x
  3. Step 3: Cross multiply
    29,114.78x = 40,182.78 × 17,790.85
  4. Step 4: Simplify right side
    29,114.78x = 714,885,610.65
  5. Step 5: Solve for x
    x = 714,885,610.65/29,114.78
  6. Step 6: Final answer
    x = 24,554.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.